Sennheiser has carved out quite a reputation in the audio industry, as they're well known for both their low end and high-end headphones, as well as their PC, and GAME series of headsets. Sennheisers' GSP lineup is a little fresher and brings a new design language as well as other features.
+ Precise; smooth and rich sound; + Very solid build quality; + Adjustable tension adjustment; + Clear and detailed microphone; + Works with multiple platforms; Neutral; +- Price; +- Light on some newer features